Home / 118,504.72-177,766.53-39,619.36

Finding the Fourth Proportional to 118,504.72, 177,766.53 and 39,619.36

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Solution

The fourth proportional to 118,504.72, 177,766.53 and 39,619.36 is: 59,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,504.72 : 177,766.53 = 39,619.36 : x
  2. Step 2: Convert to fraction form
    118,504.72/177,766.53 = 39,619.36/x
  3. Step 3: Cross multiply
    118,504.72x = 177,766.53 × 39,619.36
  4. Step 4: Simplify right side
    118,504.72x = 7,042,996,148.02
  5. Step 5: Solve for x
    x = 7,042,996,148.02/118,504.72
  6. Step 6: Final answer
    x = 59,432.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.